Multiplayer GitHub Repositories (2026) · Open Source Tools

NHL: Classic Exhibition, Tournament, and Dynasty Modes for Windows

Multiplayer sessions for Claude Code. Share a link, work together live, and review the same replies, tools and previews.

Open Source port of the Total Annihilation & TA: Kingdoms engines.

A digital version of the board game Carcassonne, implemented in Java. This desktop computer game supports up to five players at the same time (shared-screen multiplayer mode).

C# Rollback network SDK

Bloodborne Seamless Co-op: a shadPS4 mod that keeps co-op alive through deaths, lamps, areas, bosses and the Hunter's Dream - up to 5 hunters.

Polytoria, a multiplayer gaming platform built with Godot and .NET

Multi Theft Auto is a game engine that turns Grand Theft Auto: San Andreas into networked multiplayer.